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math.NA2023
Operator learning for hyperbolic partial differential equations
Christopher Wang, Alex Townsend
We construct the first rigorously justified probabilistic algorithm for recovering the solution operator of a hyperbolic partial differential equation (PDE) in two variables from i…
math.NA2023★ 1 cited
ContHutch++: Stochastic trace estimation for implicit integral operators
Jennifer Zvonek, Andrew Horning, Alex Townsend
Hutchinson's estimator is a randomized algorithm that computes an -approximation to the trace of any positive semidefinite matrix using matrix-vector produc…